From a Warped Ridges terrain, 4 tiles in 2048 resolution and 16 tiles in 1024 resolution were exported and each assembled in TE-Filters to a 4096 terrain. Both were then filtered and combined. Sky and ambient light by the ErmClouds03_SD_2560 HDRI and the key light from the sun. The trimotor plane is from DAZ 3D (2005 Daniel Askins).